[INFO] crate base64-rs 0.1.1 is already in cache
[INFO] extracting crate base64-rs 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/base64-rs/0.1.1
[INFO] extracting crate base64-rs 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/base64-rs/0.1.1
[INFO] validating manifest of base64-rs-0.1.1 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of base64-rs-0.1.1 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing base64-rs-0.1.1
[INFO] finished frobbing base64-rs-0.1.1
[INFO] frobbed toml for base64-rs-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/base64-rs/0.1.1/Cargo.toml
[INFO] started frobbing base64-rs-0.1.1
[INFO] finished frobbing base64-rs-0.1.1
[INFO] frobbed toml for base64-rs-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/base64-rs/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting base64-rs-0.1.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/base64-rs/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e8793d2a50e0690d408283cee1dc43995ff7e8f4f0ddaf688f56ee56c250f084
[INFO] running `"docker" "start" "-a" "e8793d2a50e0690d408283cee1dc43995ff7e8f4f0ddaf688f56ee56c250f084"`
[INFO] [stderr]     Checking base64-rs v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]   --> src/lib.rs:28:18
[INFO] [stderr]    |
[INFO] [stderr] 28 |             { if chunk.len() < 1 { 0 } else { chunk[0] } },
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `chunk.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:33:14
[INFO] [stderr]    |
[INFO] [stderr] 33 |             ((tmp_chunk[0] as u32) << 16) |
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(tmp_chunk[0])`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:34:14
[INFO] [stderr]    |
[INFO] [stderr] 34 |             ((tmp_chunk[1] as u32) << 8) |
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(tmp_chunk[1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:35:14
[INFO] [stderr]    |
[INFO] [stderr] 35 |              (tmp_chunk[2] as u32);
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(tmp_chunk[2])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/lib.rs:57:23
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub fn decode(string: &String) -> Vec<u8> {
[INFO] [stderr]    |                       ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:68:14
[INFO] [stderr]    |
[INFO] [stderr] 68 |             ((restored_chunk[0] as u32) << 18) |
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(restored_chunk[0])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:69:14
[INFO] [stderr]    |
[INFO] [stderr] 69 |             ((restored_chunk[1] as u32) << 12) |
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(restored_chunk[1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:70:14
[INFO] [stderr]    |
[INFO] [stderr] 70 |             ((restored_chunk[2] as u32) << 6) |
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(restored_chunk[2])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:71:14
[INFO] [stderr]    |
[INFO] [stderr] 71 |              (restored_chunk[3] as u32);
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(restored_chunk[3])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]   --> src/lib.rs:28:18
[INFO] [stderr]    |
[INFO] [stderr] 28 |             { if chunk.len() < 1 { 0 } else { chunk[0] } },
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `chunk.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:33:14
[INFO] [stderr]    |
[INFO] [stderr] 33 |             ((tmp_chunk[0] as u32) << 16) |
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(tmp_chunk[0])`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:34:14
[INFO] [stderr]    |
[INFO] [stderr] 34 |             ((tmp_chunk[1] as u32) << 8) |
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(tmp_chunk[1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:35:14
[INFO] [stderr]    |
[INFO] [stderr] 35 |              (tmp_chunk[2] as u32);
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(tmp_chunk[2])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/lib.rs:57:23
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub fn decode(string: &String) -> Vec<u8> {
[INFO] [stderr]    |                       ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:68:14
[INFO] [stderr]    |
[INFO] [stderr] 68 |             ((restored_chunk[0] as u32) << 18) |
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(restored_chunk[0])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:69:14
[INFO] [stderr]    |
[INFO] [stderr] 69 |             ((restored_chunk[1] as u32) << 12) |
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(restored_chunk[1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:70:14
[INFO] [stderr]    |
[INFO] [stderr] 70 |             ((restored_chunk[2] as u32) << 6) |
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(restored_chunk[2])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:71:14
[INFO] [stderr]    |
[INFO] [stderr] 71 |              (restored_chunk[3] as u32);
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(restored_chunk[3])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "e8793d2a50e0690d408283cee1dc43995ff7e8f4f0ddaf688f56ee56c250f084"`
[INFO] running `"docker" "rm" "-f" "e8793d2a50e0690d408283cee1dc43995ff7e8f4f0ddaf688f56ee56c250f084"`
[INFO] [stdout] e8793d2a50e0690d408283cee1dc43995ff7e8f4f0ddaf688f56ee56c250f084